baber/WOPTO huggingface dataset:
Patent GB-443582-A (GB)
Title: Improvements in or relating to radio receivers
IPC: H04B1/30
Filed: 1934-08-30
Abstract: 443,582. Wireless receiving-apparatus. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Electra House, Victoria Embankment, London, and WRIGHT, G. M., Little Baddow, Chelmsford. Aug. 30, 1934, No. 25024. [Class 40 (v)] In a homodyne receiver in which the added carrier frequency is obtained by selecting and amplifying received energy, the necessity for isolating the two receiving circuits from one another is avoided by the use of aerials so arranged as to be uncoupled. As shown, mutually perpendicular frame aerials may be used connected through a band-pass filter 2, a carrier selector circuit 5 and amplifiers 3, 6 to a detector 7.
Patent GB-1391462-A (GB)
Title: Fluid dispensing device
IPC: B65D83/16
Filed: 1972-05-26
Abstract: 1391462 Pressurized dispensing containers V WASSILIEFF 26 May 1972 [3 June 1971] 25045/72 Heading F1R An outlet for a dispenser of pressurized fluid comprises first and second parts 63, 65 welded together with abutting main surfaces, the first part 63 having a channel-shaped recess 66 formed in its main surface and extending to a point just short of its outer lateral surface 68, thus leaving a land 72 between the recess and lateral surface, the recess forming a fluid distribution duct which leads to an outlet orifice through a thin conduit 67 created and calibrated by means of a needle and extending across the land 72. To produce the conduit 67 the needle is placed between the two assembled parts, one or both parts is/are ultrasonically softened in the region of contact with the needle, and then the needle is removed. As shown, the part 63 is provided with ribs 69, 70 which soften to form line welds when treated ultrasonically.
Patent GB-407321-A (GB)
Title: Improvements in, or relating to, pit props
IPC: E21D15/24
Filed: 1932-09-08
Abstract: 407,321. Pit props. HARDYPICK, Ltd., and HURD, F. W., Heeley, Sheffield. Sept. 8, 1932, No. 25053. [Class 20 (ii).] A single tubular pit prop is provided with an upper outer screwed portion to coact with an internally screwed hollow cap, for adjustment of the prop. The screw thread may be formed in the material of the tube by rolling, pressing, or forging, or alternatively, a screwed attachment b may be non-rotatively secured to the prop end by means of interengaging portions d, e, and a cross-pin j. Holes h are provided in the flange of the cap for attachment of a pulling rope to release the prop.
Patent GB-317789-A (GB)
Title: Improvements relating to automatic synchronizing apparatus
IPC: H02J3/42
Filed: 1929-08-16
Abstract: 317,789. Associated Electrical Industries, Ltd., (Assignees of Gulliksen, F. H.). Aug. 22, 1928, [Convention date] Synchronizing dynamo-electric machines.-In automatic synchronizing apparatus with contacts 15, 16 controlling the interconnecting switch 22 for two circuits 20, 21 of identical frequency, the contacts are controlled in accordance with the resultant of the voltages of the two circuits and with the difference in the magnitudes of these voltages, movement together of the contacts 15, 16 to cause the interconnection of the, circuits 20, 21 occurring, so long as the difference in the voltage magnitudes is below a certain value, at a time in advance of phase coincidence proportional to this difference. Transformers 24, 25 with an earthed interconnection 26 energize solenoids 18<a>, 18<b> according to the voltages of the two circuits and a solenoid 14 according to the resultant of these voltages. The solenoid 14 operates a lever 11 carrying the contact 15, the other contact 16 being fixed but adjustable. The solenoids 18a, 18b act on opposite ends of a lever 12 connected by springs 13 to a point on the lever 11. The lever 12 is balanced when the voltages are equal but at other times pulls the contact 15 downwards in accordance with the difference of the voltage magnitudes, irrespeetive of which voltage is the greater. At phase coincidence, or at a phase difference determined by the position of the lever 12 and by the adjustment of the contact 16, the solenoid 14 allows the contacts 15, 16 to touch. A rheostat 27 in circuit with the solenoid 14 allows variation of the relation between this phase difference and the difference of the voltage magnitudes. Switches 30 - - 32 are manually or electrically operated simultaneously. immediate action of the synchronizer on the closure of the switches being prevented by a relay 19 with a core sliding in a non-magnetic tube or with other time-delay so that the control circuit through the contacts 15, 16 is completed at 33 only after a time interval. If the circuits 20, 21 are in phase paralleling is affected regardless of any voltage difference, if - not greater than a predetermined amount.
Patent GB-743780-A (GB)
Title: Improvements in means for discriminating the sign of the difference of two frequencies, in particular for tele-control and tele-metering arrangements
IPC: G08C19/12
Filed: 1952-10-07
Abstract: 743,780. Frequency measurement. ELECTRICITE DE FRANCE. Oct. 7, 1952 [Oct. 13, 1951], No. 25157/52. Class 37. A method of detecting the sign of the difference between two frequencies comprises deriving two functions having a 90 degree phase difference and being of the type cos 2# (f 1 -f 2 )t and sin 2# (# 1 -# 2 )t, applying one of these functions to a first relay to allow an impulse for each cycle of the difference frequency to be transmitted to one or other of two circuits according to whether the second function is positive or negative at the time of the impulse. In Fig. 4, the first frequency a is applied to modulator M 1  and through a 90 degree phase shift network DE to modulator M 2 . The second frequency b is applied to both modulators, and filter circuits F 1  and F 2  are provided so that a voltage equal to k cos 2# (f 1 -f 2 )t is applied in push-pull to valves L 1 , L<SP>1</SP> 1  and k<SP>1</SP> sin 2# (f 1 -f 2 )t similarly to valves L 2 , L<SP>1</SP> 2 . Differential relay D operates during each positive cycle of the cosine function to operate relay R. Relays r 2  and r 1  also operate after a time delay determined by the time constant of condenser C and resistance P2, and contact cr 2  of relay r 2  then releases relay R. Contact cr 1  of relay r 1  allows the condenser C to discharge through resistance P1. The contact CR of relay R thus supplies a voltage to the movable contact of relay E for an impulse period. Relay E is energized by the sine function, each cycle of which is positive or negative relative to the cosine function according to whether the difference frequency is positive or negative, and so contacts CE 1 , CE 2  of relay E energize either A or B according to this sign difference. The relays A and B may be associated with counting apparatus as shown in Fig. 6. Each impulse of relay A is arranged to rotate contact element 4, and each impulse of relay B rotates the resistance winding 5. The difference between the number of impulses applied to relays A and B indicates the total phase change over a period and this is indicated by meter 7 which measures the relative movement of contact 4 over resistance 5. Resistance 5 may be made helical to cater for several revolutions of contact element 4.
Patent GB-1107113-A (GB)
Title: Production of p-chloroazo compounds
Inventor: DIMROTH PETER
IPC: C09B43/40
Filed: 1965-06-15
Abstract: The invention comprises compounds of formula <FORM:1107113/C2/1> wherein R1 is Cl, NO2, Ph-N = N-, carboxylic ester or sulphonamido, R2 and R3 are H, halogen, NO2, alkoxy, alkyl or carboxylic ester (up to C4), R4 is H, Cl, alkoxy, alkyl or carboxylic ester (up to C4) and R5 is NO2 or carboxylic ester.  These compounds, as well as p-chloroazo compounds generally, are made by reacting p-hydroxyazo compounds with COCl2 in an inert organic solvent in presence of an N,N-disubstituted carboxylic amide.ALSO:Pesticidal compounds have the formula <FORM:1107113/A5-A6/1> wherein R1 is Cl, NO2, Ph-N=N-, carboxylic ester or sulphonamido, R2 and R3 are H, halogen, NO2, alkoxy, alkyl or carboxylic ester (up to C4).  R4 is H, Cl, alkoxy, alkyl or carboxylic ester (up to C4) and R5 is NO2 or carboxylic ester.
Patent GB-1464413-A (GB)
Title: Aircraft undercarriages
IPC: B64C25/60
Filed: 1974-06-06
Abstract: 1464413 Aircraft undercarriages AUTOMOTIVE PRODUCTS Ltd 30 May. 1975 [6 June 1974 9 Sept 1974] 25248/74 and 39322/74 Heading B7G An aircraft undercarriage is provided with a ride control valve which in flight is inoperative but is activated automatically upon landing to control vertical movements of the aircraft during theground running period. A telescopic strut 12 is pivoted at 13 to an airframe for retraction and extension by an actuator strut (41, not shown), the telescoping cylinder 17 of strut 12 carrying a pivotally mounted wheel-carrying arm 33. The cylinder 17 is hollow and carries a floating piston 24 which forms two chambers, one 26 filled with nitrogen gas and the other 25 filled with hydraulic fluid which connects with a chamber 29 in outer cylinder 16 through a metering orifice 20 and a one way valve orifice 30 formed in the top wall of cylinder 17. The chamber 29 communicates through a duct 47 with a ride control valve 44 which has a port 45 connected to the aircraft main hydraulic pressure supply and a drain port 46 connected to the hydraulic return line, the chamber 29 being connectible to ports 45 or 46 through a ride control valve 48 actuated through a link 68 and a bellcrank which has a weight 64 on the extremity of an arm which is supported by a dashpot 75, in turn balanced on a pivoted arm 69 connected to the lower end of cylinder 17 by a springbox link.72, whereby vertical movement of cylinder 17 during ground running operates valve 48 to apply compensating pressure variations within chamber. 29. Shut-off valves 56, 57 under the control of the pilot through a console 109, 110 are provided whereby the ride control mechanism can be rendered inoperative after the aircraft has taken off. Prior to landing the pilot moves lever 109 to operate the undercarriage lowering strut and upon landing a switch 117 is operated by a cam 118 to open shut-off valves 56 and 57 to bring the ride control mechanism into operation. A further embodiment is described using an electro-hydraulic link in place of the springbox link 72.
Patent GB-1046535-A (GB)
Title: Improvements in or relating to discharge pipes for hot water supplies
IPC: F16K24/06
Filed: 1964-06-18
Abstract: 1,046,535. Heating water. LICENTIA PATENT-VERWALTUNGS G.m.b.H. June 18,1964 [June 18, 1963], No. 25286/64. Heading F4A. In a water heater wherein hot water is discharged through an open outlet pipe 1 fitted with an anti-splash device 3 when the cold water inlet valve in the supply to the heater is opened, the hot water remaining in the outlet pipe when the valve is closed is rapidly drained off as air enters the pipe through a bore 5 in a handle 4 which is used to swivel the pipe to the required position. To prevent the possibility of scalding if the outflow of hot water is inadvertently restricted, when it may also discharge through the bore 5, the latter may be provided with a ball valve, Fig. 2 (not shown), or the flow may be reversed in the handle to discharge from the bottom thereof, Fig. 3 (not shown).
Patent GB-277515-A (GB)
Title: Improvements in stockings and socks
IPC: D04B11/28
Filed: 1927-04-08
Abstract: 277,515. Richter, R. A. April 8, 1927. Stockings; socks. - In stockings or socks having an ornamental high heel reinforcement, the reinforcement is made of a curved contour, such as for example that shown in Fig. 1, the knitting being carried out on a flat knitting machine. Such designs may be leaf forms which include re- .entrant angles.
Patent GB-600103-A (GB)
Title: Improvements in means for securing electric conductors to walls or other surfaces
IPC: F16L3/233
Filed: 1945-10-01
Abstract: 600,103. Band clips. GREAVES, B. B. Oct. 1, 1945, No. 25376. [Class 44] A buckle clip for securing electric cables to walls or other surfaces is made from a thin metallic stock strip 2a of uniform width and is provided with a narrower tongue piece 5 at one end, a series of holes 4, and transverse slots 3a, 6, near each end. The clip is fastened to the wall &c. by a nail or screw inserted through one of the holes 4 and is bent round the cable, and the end 5 passed first through the slot 3a and then through the slot 6. In forming the slot 6 the metal may be pressed up to form a bridge-piece 7.
Patent GB-303101-A (GB)
Title: Improvements in or relating to friction draft gear for use in connection with couplings for railway cars
IPC: B61G9/10
Filed: 1928-09-04
Abstract: 303,101. National Malleable & Steel Castings Co., (Assignees of Ewing, S. W.). Dec. 28, 1927, [Convention date]. Combined buffer and draw-gear.-The wedging surtaces of a friction draught gear for railwayvehicle couplings are lubricated by preformed elements 2 of graphite around which the surfaces pads 5 are cast. The elements 2 may extend completely or partially through the pad, and project slightdy from the surface thereof, so as to be squeezed between the friction surfaces.
Patent GB-665054-A (GB)
Title: A method of, and means for, joining pre-fabricated sections to form a structure
IPC: E04B1/61
Filed: 1949-10-04
Abstract: 665,054. Furniture joints. SAUNDERS, R. Jan. 4, 1950. [Oct. 4, 1949] No. 25471/49. Class 52 (ii). [Also in Group X] Prefabricated sections 10 to be connected together have square or rectangular recesses 11 at the juxtaposed edges of adjacent sections with the mouths of the recesses opening across the linear edges between the faces and the juxtaposed end surfaces of the sections, and the joint is effected by a strip 12 of cross section in the form of two squares or rectangles joined together at one corner, the squares or rectangles lying snugly in the recesses and the exposed gap between the section edges being covered by a fillet 13.
Patent GB-368234-A (GB)
Title: Improvements in and relating to parachutes
IPC: B64D17/52
Filed: 1930-08-27
Abstract: 368,234. Pack parachutes. LUND - HOLM, C. H., 4, Võrtra Trõdgardsgatan, Stockholm. Aug. 27, 1930, No. 25610.. Convention date, Aug. 27, 1929. Void [Published under Sect. 91 of the Acts]. [Class 4.] A parachute pack is closed by two flaps 20, 20<1> having eyelets fitting over studs 24 on a locking plate 23, wires 26, 27 connected respectively to a hand ring 29 and to the static cord 31 being passed through holes in the studs so that the pack can be opened by withdrawing either wire. The flaps are tensioned by steel springs 21 so as to roll up as shown in Fig. 2 when released but these springs can be replaced if broken by elastics connected to rings 22. The flaps 20, 20<1> enclose a pilot parachute the shroud lines 17 of which are connected to wires 16 passed through loops 13 on a flap 12b threaded through holes in a flap 11b respectively on main flaps 12, 11 enclosing the main parachute.. Additional flaps 11a, 12a may be temporarily held together by passing a rod 14 through holes in these flaps until the loops 13 are threaded. The wire 27 is passed through a spiral wire guide 30.
Patent GB-1097979-A (GB)
Title: Computing drafting machine
IPC: B43L13/00
Filed: 1965-06-17
Abstract: 1,097,979. Drafting computers. PERSPECTIVE, Inc. June, 17 1965 [June 26, 1964; May 19, 1965], No. 25615/65. Heading G4G. [Also in Division G1] In a computer drafting machine, a top view and side view of the source drawing are traced by respective left and right styli the movements of which actuate potentiometers X 1 , X 2  so as to pass an input signal either to a recorder for storage purposes or straight into a computer circuit. The computer in programmed for the desired view from a panel shown in Fig. 10, where the " S " knobs correspond to the switches correspondingly labelled in Figures 12a and 12b. Similarly the " R " knobs are provided to adjust potentiometers numbered correspondingly on Fig. 12a, 12b. The linear potentiometers, non-linear potentiometers and labelled switches are connected in circuit with fixed resistances, fixed capacitors and amplifiers in an arrangement to produce the required type of drawing signalled from the panel, Fig. 10. The output moves a stylus over drawing paper to produce the drawing for which the machine was programmed.
Patent GB-246564-A (GB)
Title: Improvements in apparatus for wrapping caramels or other cakes or blocks and the like
IPC: B65B11/22
Filed: 1924-10-28
Abstract: 246,564. Martin, H. E. Oct. 28, 1924. Packeting by wrapping-up.- Relates to improvements in the final folding operations of a wrapping- machine for caramels &c. of the kind described in Specification 203,370, each article being dealt with in the previous manner until it is wrapped on four sides as shown in Fig. 6. At the end of the downward stroke, of the oscillating arm 3. Fig. 1, the article is pushed into a delivery shoot having a spring-pressed pivoted cover 17 which turns down the flap 20, Fig. 6, and, as soon as the article comes to rest, a pair of blades 21 mounted on arm 22 pivoted at 23 tuck down the projecting ends of the wrapper, which are then formed into pointed flaps 27, Fig. 8, by cam-operated blades 28, 29 carried by arms 30, 31 pivoted at 32, 33. As the article is pushed along the delivery shoot by the arrival of others, the flaps 27 are turned up under the bottom of the article by oblique cam slots formed in the base of the delivery shoot. Feeding wrappers. When it is desired to wrap the caramels &c. in previously cut printed wrappers, the latter are placed singly bv the operator upon a platform 7, Fig. 2, and are moved forward by fingers 6 on an endless chain 4 until they are gripped by feed rollers 8, 9. A guide 10 and roller 11 direct the wrappers downwardly so as to bring them opposite the end of the oscillating arm 3, Fig. 1. The rollers 9, 10 are frictionally driven by the roller 8 and are carried by links 12 drawn towards one another by a spring.
Patent GB-187433-A (GB)
Title: Improvements in or relating to channelling machines
IPC: A43D43/02
Filed: 1921-09-28
Abstract: 187,433. Donne, M. T., and Gimson Shoe Machinery Co., Ltd. Sept. 28, 1921. Stationary-cutter machines.-Relates to machines in which a sole to be channelled is moved past a stationary knife by feed rolls, and consists in arranging the knives, feed-rolls &c. required for different classes of work as removable units which can be attached to the main part of the machine and operated without further adjustment. For turn-shoe work the assembly is as shown. An upper unit 3 has a feed roll 33, and a knife 31 fixed in a carrier 12 slidable by a bolt 14 from a treadle (not shown), and a lower unit has a feed roll 29, a rotary cutter 34, and a slidable edge gauge 11 moved by a bolt 13 operated from a treadle (not shown). The lower unit is' attached to a face 2 on the stationary part of the frame 1 by a screw 6 and the upper unit is fastened by a screw 5 to a pivoted lever 23 capable of a limited rise against spring pressure by a treadle (not shown). The feed rolls 33, 29 are driven from shafts 9, 10, on the fixed frame, carrying coupling members 9<a>, 10<a>, which register with, and drive opposite members on shafts 7, 8 carried by the units. The rotary cutter 34 is driven by a belt 35 from a counter shaft. Modifications are described in which the units are arranged for machine sewn work and welted and " Gem " insole work.
Patent GB-400761-A (GB)
Title: Improvements in or relating to reeling off apparatus for strip iron rolling mills
IPC: B21C47/22
Filed: 1932-09-15
Abstract: 400,761. Unreeling strip iron for supply to rolling-machines. KRUPP GRUSONWERK AKT.-GES., F., Buckau, Magdeburg, Germany. Sept. 15, 1932, No. 25693. Convention date, Nov. 3, 1931. [Class 83 (iv).] A roll of strip iron W to be reeled off into a rolling-machine is supported in a sling consisting of an endless belt 9 which is led over rollers 3, 4, 5, 8 and thence under the roll W, the rollers being mounted in a movable carriage 1. The roller 8 is mounted at the end of a lever 7 which may be swung outwards about the shaft 6 of the roller 5 to allow a fresh roll to be placed in the sling, the swinging movement being effected by an hydraulic piston 10 which rocks, by a link 12, a bevel wheel 14 gearing with a bevel wheel 15 on the hub of the lever 7. A rod 25 is passed through the roll W to prevent deformation thereof by the pressure of the roll 8, and endwise movement of the rod 25 may be effected by a lever 22 coupled to the rod of the piston 10. A knife edge 24 separates the free end of the strip to allow the strip to be inserted into the rolls of the rolling-machine. The shaft 6 is provided with a chain wheel by which the reeling-off mechanism is driven.
Patent GB-773028-A (GB)
Title: Distributor device for farmyard manure or like materials
IPC: A01C3/06
Filed: 1955-09-08
Abstract: 773,028. Manure distributers. MOUVET, G. Sept. 8, 1955 [July 29, 1955], No. 25732/55. Class 6(1). A manure distributer comprises rotary spreaders 10 mounted on a frame 4 which is moved from the rear to the front of a vehicle body 2 to distribute material contained in the body. As shown, the frame is moved by means of a cable 23 which is wound on a drum 24 which is driven by a ratchet device controlled by a rotary cam mounted on a shaft 32 driven from the tractor power shaft 17 which also drives the spreaders by means of sprockets 14, 13 and 11 and chain 12, the chain being tensioned by a counterweighted jockey pulley. The frame 4 is moved rearwardly by means of a hand operated roller 35<SP>1</SP> and cable 35. Forward motion of the frame 4 is stopped by means of an arm 34 fixed to the frame which encounters a rocking arm 30 which is moved by the cam to operate a ratchet wheel 26 mounted on the same shaft as the drum 24 by means of pawls 27, 28 and raises it clear of the cam thus disengaging pawls 27 and 28 from the ratchet wheel 26.
Patent GB-1501377-A (GB)
Title: Improvements in or relating to storage means
IPC: E05G1/00
Filed: 1975-05-22
Abstract: 1501377 Preventing theft from cash boxes MKG PRECISION ENG Ltd 22 May 1975 [11 June 1974] 25762/74 Heading B8P [Also in Division E2] A receptacle, e.g. for money comprises a container 8 arranged to be attached to a fixed structure, a slot 16 for insertion of money &c. and a closure element 9 provided with a series of rotatable locking members 7, each of which co-operates with the portion of the container 8 adjacent the closure element 9 to prevent removal of the element 9 except when turned to a particular position. Apertures 15 may accommodate fixing bolts, and a lifting handle 11 is provided on the element 9. Each member 7 has a pin connection 6 to a cam disc 2, which disc 2 is located within an aperture of a respective locking element 3, urged towards the centre of the closure element 9 by a spring 10. Spring-loaded balls 5 are co-operable with recesses in the members 7 to define indexed positions of the members 7, in one of which in each respective ease a flat portion of the disc 2 allows the element 3 to be pulled in from locking position by the spring 10. To allow the combination of the locking arrangement to be varied, the pins 6 may be selectively engaged in series of apertures disposed around the members 7.